#70B3DC
Closest named color: Carolina Blue (#8AB8FE). oklch(73.8% 0.091 236.7), rgb(112, 179, 220).
Aa
Black text reads best on this color (9.17:1).
About this color
#70B3DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.091 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.059 away. Black text reads best on it, at 9.17:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.17:1 |
| White text | 2.28:1 |
Values
| HEX | #70B3DC |
| RGB | rgb(112, 179, 220) |
| HSL | hsl(203, 61%, 65%) |
| OKLCH | oklch(73.8% 0.091 236.7) |
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 #70B3DC | 2.28:1 | Fails | Lc -49.9 | Large or bold text, headings |
| Black text on #70B3DC | 9.17:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #70B3DC text on white | 2.28:1 | Fails | Lc 45.0 | Large or bold text, headings |
| #70B3DC text on black | 9.17:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9EC7E1
oklch(80.9% 0.057 236.2)
-
Step 400
400 (this color)
#70B3DC
oklch(73.8% 0.091 236.7)
-
Step 500
500
#3593C6
oklch(63.1% 0.115 236.7)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#0C4764
oklch(37.7% 0.075 236.2)
-
Step 950
950
#0B2A3B
oklch(27.1% 0.048 236.5)
#70B3DC 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) | #A0B2DE | 0.055 |
| Deuteranopia (no green cones) | #91A6DB | 0.048 |
| Tritanopia (no blue cones) | #39BEC0 | 0.072 |
| Achromatopsia (no color) | #ABABAB | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #70B3DC
#70B3DC
oklch(73.8% 0.091 236.7)
- #D69B71
#D69B71
oklch(73.7% 0.091 56.2)
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 #70B3DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.059
- Vivid Sky Blue #4CC9F0 ΔE 0.060
- Light Grey Blue #9DBCD4 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.063
- Greyblue #77A1B5 ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.065
- Deep Sky Blue #00BFFF ΔE 0.066
Use #70B3DC 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.