#91ADDB
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.3% 0.074 260.2), rgb(145, 173, 219).
Aa
Black text reads best on this color (9.20:1).
About this color
#91ADDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.074 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.049 away. Black text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.20:1 |
| White text | 2.28:1 |
Values
| HEX | #91ADDB |
| RGB | rgb(145, 173, 219) |
| HSL | hsl(217, 51%, 71%) |
| OKLCH | oklch(74.3% 0.074 260.2) |
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 #91ADDB | 2.28:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #91ADDB | 9.20:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #91ADDB text on white | 2.28:1 | Fails | Lc 45.0 | Non-text elements, placeholder text |
| #91ADDB text on black | 9.20:1 | AAA | Lc -57.1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C2DF
oklch(81% 0.046 259.9)
-
Step 400
400 (this color)
#91ADDB
oklch(74.3% 0.074 260.2)
-
Step 500
500
#688AC3
oklch(63.1% 0.095 260.4)
-
Step 600
600
#4F73AF
oklch(55.6% 0.103 260.2)
-
Step 700
700
#406096
oklch(49% 0.095 260.4)
-
Step 800
800
#354F7A
oklch(42.7% 0.079 260)
-
Step 900
900
#2E4262
oklch(37.8% 0.061 259.5)
-
Step 950
950
#1B273A
oklch(27.1% 0.039 259.4)
#91ADDB 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) | #9DAFDD | 0.017 |
| Deuteranopia (no green cones) | #95A8DA | 0.014 |
| Tritanopia (no blue cones) | #7BB7BC | 0.066 |
| Achromatopsia (no color) | #ACACAC | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91ADDB
#91ADDB
oklch(74.3% 0.074 260.2)
- #C4A776
#C4A776
oklch(74.2% 0.074 80.3)
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 #91ADDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.063
- French Gray #ADB5BD ΔE 0.065
- Bluey Grey #89A0B0 ΔE 0.066
- Pastel Blue #A2BFFE ΔE 0.067
Use #91ADDB 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.