#99BBF8
Closest named color: Pastel Blue (#A2BFFE). oklch(79% 0.095 261.8), rgb(153, 187, 248).
Aa
Black text reads best on this color (10.81:1).
About this color
#99BBF8 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.095 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 10.81:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.81:1 |
| White text | 1.94:1 |
Values
| HEX | #99BBF8 |
| RGB | rgb(153, 187, 248) |
| HSL | hsl(219, 87%, 79%) |
| OKLCH | oklch(79% 0.095 261.8) |
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 #99BBF8 | 1.94:1 | Fails | Lc -41.5 | Non-text elements, placeholder text |
| Black text on #99BBF8 | 10.81:1 | AAA | Lc 66.7 | Content text, not long reading |
| #99BBF8 text on white | 1.94:1 | Fails | Lc 37.2 | Non-text elements, placeholder text |
| #99BBF8 text on black | 10.81:1 | AAA | Lc -65.2 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C6DAFD
oklch(88.5% 0.053 261.7)
-
Step 300
300 (this color)
#99BBF8
oklch(79% 0.095 261.8)
-
Step 400
400
#6A9EFF
oklch(70.6% 0.153 261.9)
-
Step 500
500
#4382FD
oklch(63.1% 0.195 262)
-
Step 600
600
#2468EC
oklch(55.6% 0.211 261.9)
-
Step 700
700
#1755CD
oklch(49% 0.196 261.9)
-
Step 800
800
#1547A6
oklch(42.8% 0.162 261.7)
-
Step 900
900
#183D83
oklch(37.7% 0.126 261.6)
-
Step 950
950
#0F244D
oklch(27% 0.081 262.1)
#99BBF8 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) | #A6BFFB | 0.020 |
| Deuteranopia (no green cones) | #9CB6F7 | 0.013 |
| Tritanopia (no blue cones) | #7AC8D0 | 0.085 |
| Achromatopsia (no color) | #BABABA | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BBF8
#99BBF8
oklch(79% 0.095 261.8)
- #D9B572
#D9B572
oklch(79% 0.095 82.2)
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 #99BBF8, 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 0.022
- Sky #82CAFC ΔE 0.043
- Lightblue #7BC8F6 ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Light Grey Blue #9DBCD4 ΔE 0.053
- Baby Blue #A2CFFE ΔE 0.054
Use #99BBF8 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.