#91AFDF
Closest named color: Carolina Blue (#8AB8FE). oklch(74.9% 0.077 259.7), rgb(145, 175, 223).
Aa
Black text reads best on this color (9.40:1).
About this color
#91AFDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.077 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.045 away. Black text reads best on it, at 9.40:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.40:1 |
| White text | 2.23:1 |
Values
| HEX | #91AFDF |
| RGB | rgb(145, 175, 223) |
| HSL | hsl(217, 55%, 72%) |
| OKLCH | oklch(74.9% 0.077 259.7) |
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 #91AFDF | 2.23:1 | Fails | Lc -48.8 | Large or bold text, headings |
| Black text on #91AFDF | 9.40:1 | AAA | Lc 60.0 | Large or bold text, headings |
| #91AFDF text on white | 2.23:1 | Fails | Lc 44.0 | Non-text elements, placeholder text |
| #91AFDF text on black | 9.40:1 | AAA | Lc -58.2 | 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
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AFC2E0
oklch(80.9% 0.047 259.5)
-
Step 400
400 (this color)
#91AFDF
oklch(74.9% 0.077 259.7)
-
Step 500
500
#658AC5
oklch(63.1% 0.099 259.5)
-
Step 600
600
#4D73B2
oklch(55.6% 0.108 260.1)
-
Step 700
700
#3E6099
oklch(49.1% 0.1 260.2)
-
Step 800
800
#334F7C
oklch(42.7% 0.083 259.5)
-
Step 900
900
#2D4264
oklch(37.8% 0.064 259.7)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#91AFDF 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) | #9EB2E1 | 0.019 |
| Deuteranopia (no green cones) | #96AADE | 0.014 |
| Tritanopia (no blue cones) | #79B9BF | 0.068 |
| Achromatopsia (no color) | #ADADAD | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AFDF
#91AFDF
oklch(74.9% 0.077 259.7)
- #C8A975
#C8A975
oklch(75% 0.078 80)
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 #91AFDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Pastel Blue #A2BFFE ΔE 0.060
- Cool Steel #97A7B3 ΔE 0.062
- French Gray #ADB5BD ΔE 0.066
- Lightblue #7BC8F6 ΔE 0.067
- Cloudy Blue #ACC2D9 ΔE 0.068
Use #91AFDF 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.