#70B4DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(73.9% 0.088 234.2), rgb(112, 180, 218).
Aa
Black text reads best on this color (9.22:1).
About this color
#70B4DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.088 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.058 away. Black text reads best on it, at 9.22:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.22:1 |
| White text | 2.27:1 |
Values
| HEX | #70B4DA |
| RGB | rgb(112, 180, 218) |
| HSL | hsl(202, 59%, 65%) |
| OKLCH | oklch(73.9% 0.088 234.2) |
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 #70B4DA | 2.27:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #70B4DA | 9.22:1 | AAA | Lc 59.2 | Large or bold text, headings |
| #70B4DA text on white | 2.27:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #70B4DA text on black | 9.22:1 | AAA | Lc -57.4 | 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
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEB
oklch(88.5% 0.031 234.5)
-
Step 300
300
#9EC7DF
oklch(80.8% 0.055 234)
-
Step 400
400 (this color)
#70B4DA
oklch(73.9% 0.088 234.2)
-
Step 500
500
#3394C3
oklch(63.1% 0.113 234)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#0B4763
oklch(37.6% 0.074 235.1)
-
Step 950
950
#0A2A3A
oklch(27% 0.047 234.3)
#70B4DA 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) | #A2B2DC | 0.057 |
| Deuteranopia (no green cones) | #93A7D9 | 0.049 |
| Tritanopia (no blue cones) | #3BBEC0 | 0.068 |
| Achromatopsia (no color) | #ACACAC | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #70B4DA
#70B4DA
oklch(73.9% 0.088 234.2)
- #D79C75
#D79C75
oklch(74% 0.088 54.4)
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 #70B4DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.059
- Light Cornflower Blue #98C1D9 ΔE 0.060
- Carolina Blue #8AB8FE ΔE 0.062
- Lightblue #7BC8F6 ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.064
- Greyblue #77A1B5 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.066
Use #70B4DA 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.