#7B91DB
Closest named color: Cornflower Blue (#6495ED). oklch(67% 0.113 270.5), rgb(123, 145, 219).
Aa
Black text reads best on this color (6.91:1).
About this color
#7B91DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.113 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.035 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #7B91DB |
| RGB | rgb(123, 145, 219) |
| HSL | hsl(226, 57%, 67%) |
| OKLCH | oklch(67% 0.113 270.5) |
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 #7B91DB | 3.03:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #7B91DB | 6.91:1 | AA | Lc 47.0 | Large or bold text, headings |
| #7B91DB text on white | 3.03:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #7B91DB text on black | 6.91:1 | AA | Lc -44.7 | 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 400.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CFD8F4
oklch(88.4% 0.04 271.4)
-
Step 300
300
#AFBFEF
oklch(80.9% 0.07 270.4)
-
Step 400
400 (this color)
#7B91DB
oklch(67% 0.113 270.5)
-
Step 500
500
#6982E0
oklch(63.1% 0.144 270.6)
-
Step 600
600
#526ACE
oklch(55.7% 0.156 270.5)
-
Step 700
700
#4357B2
oklch(49% 0.146 270.8)
-
Step 800
800
#374890
oklch(42.7% 0.12 270.6)
-
Step 900
900
#2F3D73
oklch(37.7% 0.094 270.4)
-
Step 950
950
#1B2443
oklch(26.9% 0.059 269.9)
#7B91DB 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) | #7798DE | 0.018 |
| Deuteranopia (no green cones) | #6E90D9 | 0.017 |
| Tritanopia (no blue cones) | #59A0AC | 0.101 |
| Achromatopsia (no color) | #949494 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B91DB
#7B91DB
oklch(67% 0.113 270.5)
- #B09238
#B09238
oklch(67.1% 0.113 90.4)
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 #7B91DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.035
- Perrywinkle #8F8CE7 ΔE 0.036
- Soft Blue #6488EA ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.056
- Periwinkle Blue #8F99FB ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.057
- Faded Blue #658CBB ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.060
Use #7B91DB 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.