#99BDF3
Closest named color: Pastel Blue (#A2BFFE). oklch(79.2% 0.087 258.3), rgb(153, 189, 243).
Aa
Black text reads best on this color (10.92:1).
About this color
#99BDF3 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.087 and its hue 258°. 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 10.92:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.92:1 |
| White text | 1.92:1 |
Values
| HEX | #99BDF3 |
| RGB | rgb(153, 189, 243) |
| HSL | hsl(216, 79%, 78%) |
| OKLCH | oklch(79.2% 0.087 258.3) |
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 #99BDF3 | 1.92:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #99BDF3 | 10.92:1 | AAA | Lc 67.2 | Content text, not long reading |
| #99BDF3 text on white | 1.92:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #99BDF3 text on black | 10.92:1 | AAA | Lc -65.8 | 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
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300 (this color)
#99BDF3
oklch(79.2% 0.087 258.3)
-
Step 400
400
#69A1F6
oklch(70.7% 0.139 258.5)
-
Step 500
500
#3E87F2
oklch(63.2% 0.176 258.2)
-
Step 600
600
#186DE1
oklch(55.6% 0.193 258.4)
-
Step 700
700
#085AC3
oklch(49% 0.179 258.4)
-
Step 800
800
#0D4B9E
oklch(42.8% 0.148 258.2)
-
Step 900
900
#143F7D
oklch(37.6% 0.115 258.3)
-
Step 950
950
#0D2649
oklch(27.1% 0.072 257.4)
#99BDF3 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) | #AAC0F5 | 0.023 |
| Deuteranopia (no green cones) | #A0B7F2 | 0.017 |
| Tritanopia (no blue cones) | #7CC9CF | 0.078 |
| Achromatopsia (no color) | #BBBBBB | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BDF3
#99BDF3
oklch(79.2% 0.087 258.3)
- #DAB57B
#DAB57B
oklch(79.3% 0.086 78.2)
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 #99BDF3, 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 0.029
- Sky #82CAFC ΔE 0.038
- Lightblue #7BC8F6 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.049
Use #99BDF3 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.