#70AACE
Closest named color: Greyblue (#77A1B5). oklch(71.2% 0.08 236.7), rgb(112, 170, 206).
Aa
Black text reads best on this color (8.33:1).
About this color
#70AACE is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.080 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.038 away. Black text reads best on it, at 8.33:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.33:1 |
| White text | 2.52:1 |
Values
| HEX | #70AACE |
| RGB | rgb(112, 170, 206) |
| HSL | hsl(203, 49%, 62%) |
| OKLCH | oklch(71.2% 0.08 236.7) |
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 #70AACE | 2.52:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #70AACE | 8.33:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #70AACE text on white | 2.52:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #70AACE text on black | 8.33:1 | AAA | Lc -52.6 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A3C6DD
oklch(80.9% 0.05 237)
-
Step 400
400 (this color)
#70AACE
oklch(71.2% 0.08 236.7)
-
Step 500
500
#4492BF
oklch(63% 0.102 236.8)
-
Step 600
600
#1C7CAC
oklch(55.6% 0.112 236.7)
-
Step 700
700
#0A6894
oklch(49.1% 0.104 237.2)
-
Step 800
800
#105578
oklch(42.7% 0.086 237.1)
-
Step 900
900
#174660
oklch(37.5% 0.067 236.8)
-
Step 950
950
#102938
oklch(26.9% 0.042 237.4)
#70AACE 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) | #9AA9D0 | 0.050 |
| Deuteranopia (no green cones) | #8D9FCD | 0.042 |
| Tritanopia (no blue cones) | #47B3B6 | 0.062 |
| Achromatopsia (no color) | #A3A3A3 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #70AACE
#70AACE
oklch(71.2% 0.08 236.7)
- #C99570
#C99570
oklch(71.1% 0.081 56.4)
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 #70AACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.038
- Bluegrey #85A3B2 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.056
- Cool Gray #8D99AE ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.064
- Cool Grey #95A3A6 ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.074
Use #70AACE 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.