#70ADD3
Closest named color: Greyblue (#77A1B5). oklch(72% 0.084 236.9), rgb(112, 173, 211).
Aa
Black text reads best on this color (8.60:1).
About this color
#70ADD3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.084 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.047 away. Black text reads best on it, at 8.60:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.60:1 |
| White text | 2.43:1 |
Values
| HEX | #70ADD3 |
| RGB | rgb(112, 173, 211) |
| HSL | hsl(203, 53%, 63%) |
| OKLCH | oklch(72% 0.084 236.9) |
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 #70ADD3 | 2.43:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #70ADD3 | 8.60:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #70ADD3 text on white | 2.43:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #70ADD3 text on black | 8.60:1 | AAA | Lc -54.1 | 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
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C6DF
oklch(80.8% 0.053 237.9)
-
Step 400
400 (this color)
#70ADD3
oklch(72% 0.084 236.9)
-
Step 500
500
#3F93C2
oklch(63.2% 0.107 236.5)
-
Step 600
600
#117CAF
oklch(55.6% 0.117 237.2)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#08557A
oklch(42.7% 0.09 237.4)
-
Step 900
900
#144762
oklch(37.8% 0.07 236.4)
-
Step 950
950
#0E2939
oklch(26.8% 0.044 237.6)
#70ADD3 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) | #9CACD5 | 0.052 |
| Deuteranopia (no green cones) | #8EA1D2 | 0.044 |
| Tritanopia (no blue cones) | #42B7B9 | 0.067 |
| Achromatopsia (no color) | #A6A6A6 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #70ADD3
#70ADD3
oklch(72% 0.084 236.9)
- #CD9770
#CD9770
oklch(71.9% 0.084 56.8)
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 #70ADD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.050
- Bluey Grey #89A0B0 ΔE 0.056
- Cool Steel #97A7B3 ΔE 0.059
- Turquoise Blue #06B1C4 ΔE 0.065
- Cool Gray #8D99AE ΔE 0.068
- Light Grey Blue #9DBCD4 ΔE 0.070
- Cool Grey #95A3A6 ΔE 0.071
Use #70ADD3 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.