#99AFCF
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.8% 0.052 257.7), rgb(153, 175, 207).
Aa
Black text reads best on this color (9.38:1).
About this color
#99AFCF is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.052 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.035 away. Black text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.38:1 |
| White text | 2.23:1 |
Values
| HEX | #99AFCF |
| RGB | rgb(153, 175, 207) |
| HSL | hsl(216, 36%, 71%) |
| OKLCH | oklch(74.8% 0.052 257.7) |
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 #99AFCF | 2.23:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #99AFCF | 9.38:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #99AFCF text on white | 2.23:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #99AFCF text on black | 9.38:1 | AAA | Lc -58.1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D6
oklch(81% 0.032 257.2)
-
Step 400
400 (this color)
#99AFCF
oklch(74.8% 0.052 257.7)
-
Step 500
500
#708BB2
oklch(63.1% 0.067 257.5)
-
Step 600
600
#58759E
oklch(55.7% 0.073 257.1)
-
Step 700
700
#486287
oklch(49.1% 0.067 257.2)
-
Step 800
800
#3B506E
oklch(42.7% 0.057 257.3)
-
Step 900
900
#334259
oklch(37.6% 0.044 258.8)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#99AFCF 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) | #A4B0D1 | 0.015 |
| Deuteranopia (no green cones) | #9EABCE | 0.012 |
| Tritanopia (no blue cones) | #8AB6B9 | 0.047 |
| Achromatopsia (no color) | #ADADAD | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AFCF
#99AFCF
oklch(74.8% 0.052 257.7)
- #C0AA88
#C0AA88
oklch(74.8% 0.053 78.6)
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 #99AFCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.041
- French Gray #ADB5BD ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.047
- Dark Gray #A9A9A9 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.056
- Cloudy Blue #ACC2D9 ΔE 0.058
- Bluey Grey #89A0B0 ΔE 0.059
Use #99AFCF 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.