#7F99AF
Closest named color: Cool Gray (#8D99AE). oklch(67.1% 0.044 244), rgb(127, 153, 175).
Aa
Black text reads best on this color (7.07:1).
About this color
#7F99AF is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.044 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.018 away. Black text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.07:1 |
| White text | 2.96:1 |
Values
| HEX | #7F99AF |
| RGB | rgb(127, 153, 175) |
| HSL | hsl(208, 23%, 59%) |
| OKLCH | oklch(67.1% 0.044 244) |
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 #7F99AF | 2.96:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #7F99AF | 7.07:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #7F99AF text on white | 2.96:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #7F99AF text on black | 7.07:1 | AAA | Lc -45.6 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D1DAE3
oklch(88.4% 0.016 248)
-
Step 300
300
#B2C3D1
oklch(80.9% 0.027 242.8)
-
Step 400
400 (this color)
#7F99AF
oklch(67.1% 0.044 244)
-
Step 500
500
#6C8EA9
oklch(63.1% 0.056 242.7)
-
Step 600
600
#547895
oklch(55.7% 0.061 243.5)
-
Step 700
700
#44647F
oklch(49% 0.057 244.8)
-
Step 800
800
#385267
oklch(42.7% 0.047 243.5)
-
Step 900
900
#314454
oklch(37.7% 0.037 244.4)
-
Step 950
950
#1D2831
oklch(27.1% 0.023 243.4)
#7F99AF 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) | #9099B0 | 0.023 |
| Deuteranopia (no green cones) | #8A94AF | 0.019 |
| Tritanopia (no blue cones) | #719EA0 | 0.035 |
| Achromatopsia (no color) | #969696 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F99AF
#7F99AF
oklch(67.1% 0.044 244)
- #A9907A
#A9907A
oklch(67% 0.043 63.3)
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 #7F99AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.018
- Greyblue #77A1B5 ΔE 0.022
- Bluey Grey #89A0B0 ΔE 0.025
- Bluegrey #85A3B2 ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.036
- Blue Grey #758DA3 ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.048
Use #7F99AF 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.