#99BFEE
Closest named color: Pastel Blue (#A2BFFE). oklch(79.4% 0.079 254), rgb(153, 191, 238).
Aa
Black text reads best on this color (11.04:1).
About this color
#99BFEE is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.079 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.027 away. Black text reads best on it, at 11.04:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.04:1 |
| White text | 1.90:1 |
Values
| HEX | #99BFEE |
| RGB | rgb(153, 191, 238) |
| HSL | hsl(213, 71%, 77%) |
| OKLCH | oklch(79.4% 0.079 254) |
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 #99BFEE | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #99BFEE | 11.04:1 | AAA | Lc 67.7 | Content text, not long reading |
| #99BFEE text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #99BFEE text on black | 11.04:1 | AAA | Lc -66.3 | 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
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF6
oklch(88.4% 0.044 254.8)
-
Step 300
300 (this color)
#99BFEE
oklch(79.4% 0.079 254)
-
Step 400
400
#67A4ED
oklch(70.8% 0.125 253.8)
-
Step 500
500
#388AE8
oklch(63% 0.162 254.2)
-
Step 600
600
#0572D6
oklch(55.6% 0.175 254.1)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#024E96
oklch(42.7% 0.135 254.1)
-
Step 900
900
#104277
oklch(37.8% 0.104 253.6)
-
Step 950
950
#0C2746
oklch(27.1% 0.066 254)
#99BFEE 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) | #AEC1F0 | 0.027 |
| Deuteranopia (no green cones) | #A4B8ED | 0.021 |
| Tritanopia (no blue cones) | #7EC9CF | 0.067 |
| Achromatopsia (no color) | #BCBCBC | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BFEE
#99BFEE
oklch(79.4% 0.079 254)
- #DAB583
#DAB583
oklch(79.4% 0.078 74.6)
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 #99BFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Sky #82CAFC ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.036
- Carolina Blue #8AB8FE ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.040
Use #99BFEE 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.