#99AED1
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.7% 0.056 260.6), rgb(153, 174, 209).
Aa
Black text reads best on this color (9.32:1).
About this color
#99AED1 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.056 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.038 away. Black text reads best on it, at 9.32:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.32:1 |
| White text | 2.25:1 |
Values
| HEX | #99AED1 |
| RGB | rgb(153, 174, 209) |
| HSL | hsl(218, 38%, 71%) |
| OKLCH | oklch(74.7% 0.056 260.6) |
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 #99AED1 | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #99AED1 | 9.32:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #99AED1 text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #99AED1 text on black | 9.32:1 | AAA | Lc -57.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C1D8
oklch(80.8% 0.036 261.9)
-
Step 400
400 (this color)
#99AED1
oklch(74.7% 0.056 260.6)
-
Step 500
500
#718AB5
oklch(63.1% 0.071 261.1)
-
Step 600
600
#5974A1
oklch(55.7% 0.077 260.4)
-
Step 700
700
#49618A
oklch(49.1% 0.072 260.8)
-
Step 800
800
#3C4F70
oklch(42.6% 0.06 261.1)
-
Step 900
900
#33425B
oklch(37.7% 0.047 260.4)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#99AED1 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) | #A2B0D3 | 0.014 |
| Deuteranopia (no green cones) | #9DAAD0 | 0.011 |
| Tritanopia (no blue cones) | #8AB5B9 | 0.050 |
| Achromatopsia (no color) | #ADADAD | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AED1
#99AED1
oklch(74.7% 0.056 260.6)
- #BFAA85
#BFAA85
oklch(74.7% 0.056 81.6)
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 #99AED1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.038
- Cool Steel #97A7B3 ΔE 0.043
- French Gray #ADB5BD ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Dark Gray #A9A9A9 ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.060
- Cloudy Blue #ACC2D9 ΔE 0.061
Use #99AED1 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.