#70B3DF
Closest named color: Carolina Blue (#8AB8FE). oklch(73.9% 0.093 238.6), rgb(112, 179, 223).
Aa
Black text reads best on this color (9.20:1).
About this color
#70B3DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.093 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.055 away. Black text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.20:1 |
| White text | 2.28:1 |
Values
| HEX | #70B3DF |
| RGB | rgb(112, 179, 223) |
| HSL | hsl(204, 63%, 66%) |
| OKLCH | oklch(73.9% 0.093 238.6) |
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 #70B3DF | 2.28:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #70B3DF | 9.20:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #70B3DF text on white | 2.28:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #70B3DF text on black | 9.20:1 | AAA | Lc -57.2 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9EC7E3
oklch(81% 0.059 238.3)
-
Step 400
400 (this color)
#70B3DF
oklch(73.9% 0.093 238.6)
-
Step 500
500
#3492C9
oklch(63% 0.12 238.8)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
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
#0C4666
oklch(37.6% 0.078 239.2)
-
Step 950
950
#0B293C
oklch(26.9% 0.05 240.3)
#70B3DF 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) | #9FB2E1 | 0.054 |
| Deuteranopia (no green cones) | #90A6DE | 0.047 |
| Tritanopia (no blue cones) | #36BEC2 | 0.074 |
| Achromatopsia (no color) | #ACACAC | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #70B3DF
#70B3DF
oklch(73.9% 0.093 238.6)
- #D79C6E
#D79C6E
oklch(73.9% 0.094 58.6)
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 #70B3DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.055
- Vivid Sky Blue #4CC9F0 ΔE 0.060
- Light Grey Blue #9DBCD4 ΔE 0.062
- Lightblue #7BC8F6 ΔE 0.062
- Light Cornflower Blue #98C1D9 ΔE 0.064
- Deep Sky Blue #00BFFF ΔE 0.064
- Greyblue #77A1B5 ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.068
Use #70B3DF 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.