#7F99DB
Closest named color: Cornflower Blue (#6495ED). oklch(68.9% 0.102 267.3), rgb(127, 153, 219).
Aa
Black text reads best on this color (7.48:1).
About this color
#7F99DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.102 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.044 away. Black text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #7F99DB |
| RGB | rgb(127, 153, 219) |
| HSL | hsl(223, 56%, 68%) |
| OKLCH | oklch(68.9% 0.102 267.3) |
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 #7F99DB | 2.80:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #7F99DB | 7.48:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #7F99DB text on white | 2.80:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #7F99DB text on black | 7.48:1 | AAA | Lc -47.9 | Large or bold text, headings |
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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AEC0EB
oklch(80.9% 0.064 267.2)
-
Step 400
400 (this color)
#7F99DB
oklch(68.9% 0.102 267.3)
-
Step 500
500
#6685D8
oklch(63.1% 0.13 267.2)
-
Step 600
600
#4E6DC6
oklch(55.6% 0.143 267.2)
-
Step 700
700
#3F5BAB
oklch(49.2% 0.132 267)
-
Step 800
800
#344A8A
oklch(42.5% 0.109 267.4)
-
Step 900
900
#2D3F6F
oklch(37.8% 0.085 266.8)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#7F99DB 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) | #829FDE | 0.017 |
| Deuteranopia (no green cones) | #7997DA | 0.010 |
| Tritanopia (no blue cones) | #5FA7B0 | 0.093 |
| Achromatopsia (no color) | #9A9A9A | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F99DB
#7F99DB
oklch(68.9% 0.102 267.3)
- #B6974B
#B6974B
oklch(68.9% 0.102 87.3)
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 #7F99DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.044
- Perrywinkle #8F8CE7 ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.065
- Faded Blue #658CBB ΔE 0.066
- Soft Blue #6488EA ΔE 0.066
- Greyblue #77A1B5 ΔE 0.069
- Cool Gray #8D99AE ΔE 0.069
Use #7F99DB 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.