#3AB7FE
Closest named color: Deep Sky Blue (#00BFFF). oklch(74.3% 0.148 238.9), rgb(58, 183, 254).
Aa
Black text reads best on this color (9.38:1).
About this color
#3AB7FE is a medium-light, vivid blue. In OKLCH its lightness is 74%, its chroma 0.148 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.023 away. Black text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.38:1 |
| White text | 2.23:1 |
Values
| HEX | #3AB7FE |
| RGB | rgb(58, 183, 254) |
| HSL | hsl(202, 99%, 61%) |
| OKLCH | oklch(74.3% 0.148 238.9) |
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 #3AB7FE | 2.23:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #3AB7FE | 9.38:1 | AAA | Lc 60.3 | Content text, not long reading |
| #3AB7FE text on white | 2.23:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #3AB7FE text on black | 9.38:1 | AAA | Lc -58.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#DAEDFA
oklch(93.6% 0.027 237.6)
-
Step 200
200
#BBDFF8
oklch(88.6% 0.051 238.5)
-
Step 300
300
#87C9F6
oklch(80.8% 0.093 239.2)
-
Step 400
400 (this color)
#3AB7FE
oklch(74.3% 0.148 238.9)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#3AB7FE 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) | #95B7FF | 0.078 |
| Deuteranopia (no green cones) | #7BA5FD | 0.064 |
| Tritanopia (no blue cones) | #00C9D0 | 0.097 |
| Achromatopsia (no color) | #ADADAD | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3AB7FE
#3AB7FE
oklch(74.3% 0.148 238.9)
- #EF923F
#EF923F
oklch(74.3% 0.147 58.8)
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 #3AB7FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.023
- Bright Sky Blue #02CCFE ΔE 0.057
- Vivid Sky Blue #4CC9F0 ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.066
- Lightblue #7BC8F6 ΔE 0.074
- Sky #82CAFC ΔE 0.082
- Cornflower Blue #6495ED ΔE 0.089
- Turquoise Blue #06B1C4 ΔE 0.089
Use #3AB7FE 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.