#7C99C8
Closest named color: Greyblue (#77A1B5). oklch(67.9% 0.077 259.9), rgb(124, 153, 200).
Aa
Black text reads best on this color (7.24:1).
About this color
#7C99C8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.077 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 7.24:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #7C99C8 |
| RGB | rgb(124, 153, 200) |
| HSL | hsl(217, 41%, 64%) |
| OKLCH | oklch(67.9% 0.077 259.9) |
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 #7C99C8 | 2.89:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #7C99C8 | 7.24:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #7C99C8 text on white | 2.89:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #7C99C8 text on black | 7.24:1 | AAA | Lc -46.6 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AFC2E0
oklch(80.9% 0.047 259.5)
-
Step 400
400 (this color)
#7C99C8
oklch(67.9% 0.077 259.9)
-
Step 500
500
#668AC5
oklch(63.1% 0.098 260)
-
Step 600
600
#4D73B2
oklch(55.6% 0.108 260.1)
-
Step 700
700
#3E6099
oklch(49.1% 0.1 260.2)
-
Step 800
800
#334F7C
oklch(42.7% 0.083 259.5)
-
Step 900
900
#2D4264
oklch(37.8% 0.064 259.7)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#7C99C8 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) | #889CCA | 0.018 |
| Deuteranopia (no green cones) | #8094C7 | 0.014 |
| Tritanopia (no blue cones) | #63A3A9 | 0.069 |
| Achromatopsia (no color) | #989898 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C99C8
#7C99C8
oklch(67.9% 0.077 259.9)
- #B19360
#B19360
oklch(67.9% 0.077 80.2)
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 #7C99C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Cool Gray #8D99AE ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.049
- Faded Blue #658CBB ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.051
- Silver Lake Blue #778DA9 ΔE 0.051
- Blue Grey #758DA3 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.064
Use #7C99C8 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.