#7991DB
Closest named color: Cornflower Blue (#6495ED). oklch(66.9% 0.114 269.5), rgb(121, 145, 219).
Aa
Black text reads best on this color (6.88:1).
About this color
#7991DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.114 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.034 away. Black text reads best on it, at 6.88:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.88:1 |
| White text | 3.04:1 |
Values
| HEX | #7991DB |
| RGB | rgb(121, 145, 219) |
| HSL | hsl(225, 58%, 67%) |
| OKLCH | oklch(66.9% 0.114 269.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7991DB | 3.04:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #7991DB | 6.88:1 | AA | Lc 46.8 | Large or bold text, headings |
| #7991DB text on white | 3.04:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #7991DB text on black | 6.88:1 | AA | Lc -44.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EE
oklch(88.6% 0.03 269.1)
-
Step 300
300
#B2C0E5
oklch(80.9% 0.055 268.9)
-
Step 400
400
#8A9ED9
oklch(70.6% 0.09 269.6)
-
Step 500
500 (this color)
#7991DB
oklch(66.9% 0.114 269.5)
-
Step 600
600
#576EBB
oklch(55.6% 0.123 269.6)
-
Step 700
700
#475BA2
oklch(49% 0.116 269.9)
-
Step 800
800
#3A4B83
oklch(42.7% 0.095 269.3)
-
Step 900
900
#323F69
oklch(37.7% 0.074 269.6)
-
Step 950
950
#1D253D
oklch(26.9% 0.046 269.1)
#7991DB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7698DE | 0.018 |
| Deuteranopia (no green cones) | #6D90D9 | 0.016 |
| Tritanopia (no blue cones) | #55A0AC | 0.101 |
| Achromatopsia (no color) | #949494 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7991DB
#7991DB
oklch(66.9% 0.114 269.5)
- #B19137
#B19137
oklch(66.9% 0.114 89.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7991DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.034
- Perrywinkle #8F8CE7 ΔE 0.038
- Soft Blue #6488EA ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.054
- Faded Blue #658CBB ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.058
Use #7991DB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.