#99BBFA
Closest named color: Pastel Blue (#A2BFFE). oklch(79.1% 0.098 262.4), rgb(153, 187, 250).
Aa
Black text reads best on this color (10.84:1).
About this color
#99BBFA is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.098 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.017 away. Black text reads best on it, at 10.84:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.84:1 |
| White text | 1.93:1 |
Values
| HEX | #99BBFA |
| RGB | rgb(153, 187, 250) |
| HSL | hsl(219, 91%, 79%) |
| OKLCH | oklch(79.1% 0.098 262.4) |
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 #99BBFA | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #99BBFA | 10.84:1 | AAA | Lc 66.8 | Content text, not long reading |
| #99BBFA text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #99BBFA text on black | 10.84:1 | AAA | Lc -65.4 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C6DAFE
oklch(88.5% 0.054 262.2)
-
Step 300
300 (this color)
#99BBFA
oklch(79.1% 0.098 262.4)
-
Step 400
400
#6C9EFF
oklch(70.7% 0.152 262.5)
-
Step 500
500
#4381FF
oklch(63% 0.199 262.5)
-
Step 600
600
#2466EF
oklch(55.5% 0.217 262.4)
-
Step 700
700
#1854D0
oklch(49.1% 0.201 262.4)
-
Step 800
800
#1646A8
oklch(42.8% 0.166 262.3)
-
Step 900
900
#183C85
oklch(37.7% 0.13 262.3)
-
Step 950
950
#0F244E
oklch(27% 0.082 262.4)
#99BBFA 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) | #A5BFFD | 0.019 |
| Deuteranopia (no green cones) | #9BB6F9 | 0.013 |
| Tritanopia (no blue cones) | #79C8D1 | 0.086 |
| Achromatopsia (no color) | #BABABA | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BBFA
#99BBFA
oklch(79.1% 0.098 262.4)
- #DAB570
#DAB570
oklch(79.1% 0.097 82.1)
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 #99BBFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.017
- Carolina Blue #8AB8FE ΔE 0.021
- Sky #82CAFC ΔE 0.044
- Lightblue #7BC8F6 ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.052
- Baby Blue #A2CFFE ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Light Grey Blue #9DBCD4 ΔE 0.056
Use #99BBFA 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.