#3070A7
Closest named color: Flat Blue (#3C73A8). oklch(53% 0.109 247.6), rgb(48, 112, 167).
Aa
White text reads best on this color (5.24:1).
About this color
#3070A7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.109 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.014 away. White text reads best on it, at 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #3070A7 |
| RGB | rgb(48, 112, 167) |
| HSL | hsl(208, 55%, 42%) |
| OKLCH | oklch(53% 0.109 247.6) |
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 #3070A7 | 5.24:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #3070A7 | 4.00:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #3070A7 text on white | 5.24:1 | AA | Lc 75.8 | Fine for body text |
| #3070A7 text on black | 4.00:1 | AA large text | Lc -25.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#A8C4DF
oklch(80.8% 0.049 247.5)
-
Step 400
400
#79A5CF
oklch(70.6% 0.078 247.8)
-
Step 500
500
#558EC3
oklch(63% 0.1 248)
-
Step 600
600 (this color)
#3070A7
oklch(53% 0.109 247.6)
-
Step 700
700
#2A6597
oklch(49.2% 0.101 247.3)
-
Step 800
800
#24527A
oklch(42.6% 0.084 247.5)
-
Step 900
900
#234462
oklch(37.6% 0.065 247.8)
-
Step 950
950
#15283A
oklch(27% 0.042 248.4)
#3070A7 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) | #5772A9 | 0.041 |
| Deuteranopia (no green cones) | #4767A6 | 0.031 |
| Tritanopia (no blue cones) | #007D84 | 0.080 |
| Achromatopsia (no color) | #6C6C6C | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3070A7
#3070A7
oklch(53% 0.109 247.6)
- #955E15
#955E15
oklch(53.1% 0.109 67.5)
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 #3070A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.014
- Muted Blue #3B719F ΔE 0.016
- French Blue #436BAD ΔE 0.024
- Ocean Blue #03719C ΔE 0.029
- Mid Blue #276AB3 ΔE 0.029
- Nice Blue #107AB0 ΔE 0.030
- Dull Blue #49759C ΔE 0.035
- Sea Blue #047495 ΔE 0.040
Use #3070A7 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.