#99AFDF
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.4% 0.074 265.5), rgb(153, 175, 223).
Aa
Black text reads best on this color (9.55:1).
About this color
#99AFDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.074 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.044 away. Black text reads best on it, at 9.55:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.55:1 |
| White text | 2.19:1 |
Values
| HEX | #99AFDF |
| RGB | rgb(153, 175, 223) |
| HSL | hsl(221, 52%, 74%) |
| OKLCH | oklch(75.4% 0.074 265.5) |
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 #99AFDF | 2.19:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #99AFDF | 9.55:1 | AAA | Lc 60.7 | Content text, not long reading |
| #99AFDF text on white | 2.19:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #99AFDF text on black | 9.55:1 | AAA | Lc -58.9 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C1DF
oklch(80.9% 0.046 264.3)
-
Step 400
400 (this color)
#99AFDF
oklch(75.4% 0.074 265.5)
-
Step 500
500
#6E88C3
oklch(63.1% 0.094 265.6)
-
Step 600
600
#5671AF
oklch(55.5% 0.102 265.4)
-
Step 700
700
#465F97
oklch(49.2% 0.095 264.9)
-
Step 800
800
#3A4D7A
oklch(42.6% 0.079 265.8)
-
Step 900
900
#324162
oklch(37.8% 0.06 265)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#99AFDF 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) | #9FB2E1 | 0.012 |
| Deuteranopia (no green cones) | #99ACDE | 0.008 |
| Tritanopia (no blue cones) | #85B9BF | 0.067 |
| Achromatopsia (no color) | #AFAFAF | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AFDF
#99AFDF
oklch(75.4% 0.074 265.5)
- #C5AC79
#C5AC79
oklch(75.4% 0.074 84.6)
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 #99AFDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.044
- Carolina Blue #8AB8FE ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Pastel Blue #A2BFFE ΔE 0.056
- French Gray #ADB5BD ΔE 0.062
- Cloudy Blue #ACC2D9 ΔE 0.062
- Cool Steel #97A7B3 ΔE 0.063
- Light Steel Blue #B0C4DE ΔE 0.068
Use #99AFDF 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.