#99BEF3
Closest named color: Pastel Blue (#A2BFFE). oklch(79.4% 0.086 257.3), rgb(153, 190, 243).
Aa
Black text reads best on this color (11.01:1).
About this color
#99BEF3 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.086 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.020 away. Black text reads best on it, at 11.01:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.01:1 |
| White text | 1.90:1 |
Values
| HEX | #99BEF3 |
| RGB | rgb(153, 190, 243) |
| HSL | hsl(215, 79%, 78%) |
| OKLCH | oklch(79.4% 0.086 257.3) |
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 #99BEF3 | 1.90:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #99BEF3 | 11.01:1 | AAA | Lc 67.6 | Content text, not long reading |
| #99BEF3 text on white | 1.90:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #99BEF3 text on black | 11.01:1 | AAA | Lc -66.2 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBF9
oklch(88.5% 0.047 257.3)
-
Step 300
300 (this color)
#99BEF3
oklch(79.4% 0.086 257.3)
-
Step 400
400
#67A2F5
oklch(70.8% 0.137 257.1)
-
Step 500
500
#3B87F1
oklch(63% 0.176 257.5)
-
Step 600
600
#116EE0
oklch(55.6% 0.192 257.4)
-
Step 700
700
#005BC2
oklch(49% 0.177 257.5)
-
Step 800
800
#084B9D
oklch(42.6% 0.147 257.4)
-
Step 900
900
#12407D
oklch(37.8% 0.115 257.2)
-
Step 950
950
#0D2649
oklch(27.1% 0.072 257.4)
#99BEF3 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) | #ABC1F5 | 0.024 |
| Deuteranopia (no green cones) | #A1B8F2 | 0.017 |
| Tritanopia (no blue cones) | #7CC9D0 | 0.075 |
| Achromatopsia (no color) | #BCBCBC | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BEF3
#99BEF3
oklch(79.4% 0.086 257.3)
- #DBB57C
#DBB57C
oklch(79.4% 0.086 77.1)
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 #99BEF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.020
- Carolina Blue #8AB8FE ΔE 0.031
- Sky #82CAFC ΔE 0.036
- Lightblue #7BC8F6 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.047
Use #99BEF3 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.