#99BEFF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.9% 0.101 261.4), rgb(153, 190, 255).
Aa
Black text reads best on this color (11.16:1).
About this color
#99BEFF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.101 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.011 away. Black text reads best on it, at 11.16:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #99BEFF |
| RGB | rgb(153, 190, 255) |
| HSL | hsl(218, 100%, 80%) |
| OKLCH | oklch(79.9% 0.101 261.4) |
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 #99BEFF | 1.88:1 | Fails | Lc -39.8 | Non-text elements, placeholder text |
| Black text on #99BEFF | 11.16:1 | AAA | Lc 68.3 | Content text, not long reading |
| #99BEFF text on white | 1.88:1 | Fails | Lc 35.6 | Non-text elements, placeholder text |
| #99BEFF text on black | 11.16:1 | AAA | Lc -66.9 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300 (this color)
#99BEFF
oklch(79.9% 0.101 261.4)
-
Step 400
400
#699FFF
oklch(70.8% 0.152 261.1)
-
Step 500
500
#3F82FF
oklch(63.1% 0.198 261.5)
-
Step 600
600
#1766F4
oklch(55.7% 0.225 261.4)
-
Step 700
700
#0953D4
oklch(49% 0.209 261.5)
-
Step 800
800
#0D45AB
oklch(42.6% 0.173 261.5)
-
Step 900
900
#133C88
oklch(37.8% 0.135 261.4)
-
Step 950
950
#0C244F
oklch(27% 0.085 261)
#99BEFF 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) | #A7C2FF | 0.021 |
| Deuteranopia (no green cones) | #9CB9FE | 0.013 |
| Tritanopia (no blue cones) | #76CCD4 | 0.091 |
| Achromatopsia (no color) | #BDBDBD | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BEFF
#99BEFF
oklch(79.9% 0.101 261.4)
- #DEB76F
#DEB76F
oklch(79.9% 0.101 81.8)
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 #99BEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.011
- Carolina Blue #8AB8FE ΔE 0.025
- Sky #82CAFC ΔE 0.039
- Lightblue #7BC8F6 ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.057
- Light Cornflower Blue #98C1D9 ΔE 0.059
Use #99BEFF 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.