#99AFDB
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.3% 0.068 264), rgb(153, 175, 219).
Aa
Black text reads best on this color (9.50:1).
About this color
#99AFDB is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.068 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.041 away. Black text reads best on it, at 9.50:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.50:1 |
| White text | 2.20:1 |
Values
| HEX | #99AFDB |
| RGB | rgb(153, 175, 219) |
| HSL | hsl(220, 48%, 73%) |
| OKLCH | oklch(75.3% 0.068 264) |
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 #99AFDB | 2.20:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #99AFDB | 9.50:1 | AAA | Lc 60.5 | Content text, not long reading |
| #99AFDB text on white | 2.20:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #99AFDB text on black | 9.50:1 | AAA | Lc -58.7 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1D9E9
oklch(88.4% 0.024 264.4)
-
Step 300
300
#B3C1DD
oklch(80.9% 0.043 264.3)
-
Step 400
400 (this color)
#99AFDB
oklch(75.3% 0.068 264)
-
Step 500
500
#6F89BF
oklch(63.2% 0.087 264.3)
-
Step 600
600
#5772AB
oklch(55.6% 0.095 264.2)
-
Step 700
700
#475F93
oklch(49% 0.089 264.5)
-
Step 800
800
#3A4E77
oklch(42.7% 0.073 263.8)
-
Step 900
900
#324160
oklch(37.7% 0.057 264.1)
-
Step 950
950
#1D2638
oklch(26.9% 0.036 263.7)
#99AFDB 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) | #A1B2DD | 0.014 |
| Deuteranopia (no green cones) | #9AACDA | 0.008 |
| Tritanopia (no blue cones) | #87B8BE | 0.061 |
| Achromatopsia (no color) | #AEAEAE | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AFDB
#99AFDB
oklch(75.3% 0.068 264)
- #C3AC7D
#C3AC7D
oklch(75.3% 0.068 84.7)
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 #99AFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.051
- French Gray #ADB5BD ΔE 0.057
- Cool Steel #97A7B3 ΔE 0.057
- Pastel Blue #A2BFFE ΔE 0.060
- Cloudy Blue #ACC2D9 ΔE 0.060
- Light Steel Blue #B0C4DE ΔE 0.066
Use #99AFDB 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.