#70B0DB
Closest named color: Greyblue (#77A1B5). oklch(73.1% 0.091 239.1), rgb(112, 176, 219).
Aa
Black text reads best on this color (8.92:1).
About this color
#70B0DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.091 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.059 away. Black text reads best on it, at 8.92:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.92:1 |
| White text | 2.35:1 |
Values
| HEX | #70B0DB |
| RGB | rgb(112, 176, 219) |
| HSL | hsl(204, 60%, 65%) |
| OKLCH | oklch(73.1% 0.091 239.1) |
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 #70B0DB | 2.35:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #70B0DB | 8.92:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #70B0DB text on white | 2.35:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #70B0DB text on black | 8.92:1 | AAA | Lc -55.8 | 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
#C7DDEC
oklch(88.6% 0.031 237.6)
-
Step 300
300
#A0C6E2
oklch(80.8% 0.057 240.3)
-
Step 400
400 (this color)
#70B0DB
oklch(73.1% 0.091 239.1)
-
Step 500
500
#3992C8
oklch(63.1% 0.117 239.3)
-
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
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#104665
oklch(37.6% 0.076 239.3)
-
Step 950
950
#0C293B
oklch(26.9% 0.048 239.4)
#70B0DB 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) | #9DAFDD | 0.052 |
| Deuteranopia (no green cones) | #8EA4DA | 0.044 |
| Tritanopia (no blue cones) | #3BBBBE | 0.073 |
| Achromatopsia (no color) | #A9A9A9 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #70B0DB
#70B0DB
oklch(73.1% 0.091 239.1)
- #D39A6D
#D39A6D
oklch(73.1% 0.091 59)
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 #70B0DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.067
- Vivid Sky Blue #4CC9F0 ΔE 0.067
- Light Cornflower Blue #98C1D9 ΔE 0.069
Use #70B0DB 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.