#91AAFD
Closest named color: Carolina Blue (#8AB8FE). oklch(75.2% 0.123 270.5), rgb(145, 170, 253).
Aa
Black text reads best on this color (9.37:1).
About this color
#91AAFD is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.123 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.036 away. Black text reads best on it, at 9.37:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.37:1 |
| White text | 2.24:1 |
Values
| HEX | #91AAFD |
| RGB | rgb(145, 170, 253) |
| HSL | hsl(226, 96%, 78%) |
| OKLCH | oklch(75.2% 0.123 270.5) |
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 #91AAFD | 2.24:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #91AAFD | 9.37:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #91AAFD text on white | 2.24:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #91AAFD text on black | 9.37:1 | AAA | Lc -58.1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#ADBFF3
oklch(80.9% 0.076 269.8)
-
Step 400
400 (this color)
#91AAFD
oklch(75.2% 0.123 270.5)
-
Step 500
500
#6681E8
oklch(63.2% 0.157 270.3)
-
Step 600
600
#4F68D6
oklch(55.7% 0.171 270.4)
-
Step 700
700
#4055B9
oklch(49% 0.159 270.5)
-
Step 800
800
#354696
oklch(42.6% 0.132 270.8)
-
Step 900
900
#2D3C77
oklch(37.6% 0.102 270.2)
-
Step 950
950
#1B2446
oklch(27.1% 0.064 270.5)
#91AAFD 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) | #8DB2FF | 0.020 |
| Deuteranopia (no green cones) | #83A9FB | 0.018 |
| Tritanopia (no blue cones) | #6CBBC8 | 0.110 |
| Achromatopsia (no color) | #ADADAD | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AAFD
#91AAFD
oklch(75.2% 0.123 270.5)
- #CCAB48
#CCAB48
oklch(75.2% 0.123 90.6)
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 #91AAFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.036
- Periwinkle Blue #8F99FB ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.078
- Pastel Purple #CAA0FF ΔE 0.081
- Cornflower Blue #6495ED ΔE 0.082
- Baby Purple #CA9BF7 ΔE 0.084
- Lightblue #7BC8F6 ΔE 0.084
Use #91AAFD 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.