#64B2F0
Closest named color: Carolina Blue (#8AB8FE). oklch(73.9% 0.119 244.4), rgb(100, 178, 240).
Aa
Black text reads best on this color (9.16:1).
About this color
#64B2F0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.119 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.048 away. Black text reads best on it, at 9.16:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.16:1 |
| White text | 2.29:1 |
Values
| HEX | #64B2F0 |
| RGB | rgb(100, 178, 240) |
| HSL | hsl(207, 82%, 67%) |
| OKLCH | oklch(73.9% 0.119 244.4) |
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 #64B2F0 | 2.29:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #64B2F0 | 9.16:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #64B2F0 text on white | 2.29:1 | Fails | Lc 45.0 | Non-text elements, placeholder text |
| #64B2F0 text on black | 9.16:1 | AAA | Lc -57.1 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C3DDF3
oklch(88.5% 0.041 243.7)
-
Step 300
300
#98C6EE
oklch(80.8% 0.075 245.2)
-
Step 400
400 (this color)
#64B2F0
oklch(73.9% 0.119 244.4)
-
Step 500
500
#1490DE
oklch(63% 0.152 244.6)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#00456F
oklch(37.6% 0.093 244.3)
-
Step 950
950
#042943
oklch(27.1% 0.063 244.6)
#64B2F0 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) | #97B3F3 | 0.055 |
| Deuteranopia (no green cones) | #84A5EF | 0.044 |
| Tritanopia (no blue cones) | #00C1C7 | 0.095 |
| Achromatopsia (no color) | #ABABAB | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64B2F0
#64B2F0
oklch(73.9% 0.119 244.4)
- #DE9A54
#DE9A54
oklch(73.9% 0.119 64.9)
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 #64B2F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.048
- Deep Sky Blue #00BFFF ΔE 0.049
- Vivid Sky Blue #4CC9F0 ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.066
- Bright Sky Blue #02CCFE ΔE 0.072
- Sky #82CAFC ΔE 0.074
- Cornflower Blue #6495ED ΔE 0.078
- Pastel Blue #A2BFFE ΔE 0.081
Use #64B2F0 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.