#3C70A0
Closest named color: Muted Blue (#3B719F). oklch(53.1% 0.094 248.3), rgb(60, 112, 160).
Aa
White text reads best on this color (5.22:1).
About this color
#3C70A0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.094 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.004 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #3C70A0 |
| RGB | rgb(60, 112, 160) |
| HSL | hsl(209, 45%, 43%) |
| OKLCH | oklch(53.1% 0.094 248.3) |
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 #3C70A0 | 5.22:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #3C70A0 | 4.01:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #3C70A0 text on white | 5.22:1 | AA | Lc 75.8 | Fine for body text |
| #3C70A0 text on black | 4.01:1 | AA large text | Lc -26.0 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#ACC4DB
oklch(81% 0.042 247.2)
-
Step 400
400
#7FA5C9
oklch(70.7% 0.067 247.4)
-
Step 500
500
#5E8EBC
oklch(63.1% 0.087 248.3)
-
Step 600
600 (this color)
#3C70A0
oklch(53.1% 0.094 248.3)
-
Step 700
700
#356490
oklch(49% 0.088 248.6)
-
Step 800
800
#2C5275
oklch(42.7% 0.073 248.1)
-
Step 900
900
#28445E
oklch(37.7% 0.056 247.8)
-
Step 950
950
#182837
oklch(27% 0.035 247.7)
#3C70A0 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) | #5B72A2 | 0.036 |
| Deuteranopia (no green cones) | #4E689F | 0.028 |
| Tritanopia (no blue cones) | #007B81 | 0.074 |
| Achromatopsia (no color) | #6C6C6C | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C70A0
#3C70A0
oklch(53.1% 0.094 248.3)
- #906128
#906128
oklch(53.2% 0.095 68.2)
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 #3C70A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.004
- Flat Blue #3C73A8 ΔE 0.014
- Dull Blue #49759C ΔE 0.023
- French Blue #436BAD ΔE 0.029
- Ocean Blue #03719C ΔE 0.031
- Cerulean #457B9D ΔE 0.037
- Nice Blue #107AB0 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.037
Use #3C70A0 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.