#3072BC
Closest named color: Windows Blue (#3778BF). oklch(54.7% 0.134 253.6), rgb(48, 114, 188).
Aa
White text reads best on this color (4.93:1).
About this color
#3072BC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.134 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.019 away. White text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #3072BC |
| RGB | rgb(48, 114, 188) |
| HSL | hsl(212, 59%, 46%) |
| OKLCH | oklch(54.7% 0.134 253.6) |
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 #3072BC | 4.93:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #3072BC | 4.25:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #3072BC text on white | 4.93:1 | AA | Lc 73.8 | Content text, not long reading |
| #3072BC text on black | 4.25:1 | AA large text | Lc -27.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A6C3E7
oklch(80.8% 0.06 254)
-
Step 400
400
#76A4DC
oklch(70.8% 0.096 253.9)
-
Step 500
500
#508CD2
oklch(63.1% 0.123 253.5)
-
Step 600
600 (this color)
#3072BC
oklch(54.7% 0.134 253.6)
-
Step 700
700
#2562A5
oklch(49.2% 0.124 253.4)
-
Step 800
800
#205085
oklch(42.7% 0.102 253.2)
-
Step 900
900
#20436B
oklch(37.8% 0.08 253.3)
-
Step 950
950
#14273F
oklch(27% 0.052 255)
#3072BC 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) | #4F77BF | 0.034 |
| Deuteranopia (no green cones) | #396ABB | 0.022 |
| Tritanopia (no blue cones) | #00838E | 0.101 |
| Achromatopsia (no color) | #707070 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3072BC
#3072BC
oklch(54.7% 0.134 253.6)
- #996400
#996400
oklch(54.7% 0.116 73.1)
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 #3072BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.019
- Mid Blue #276AB3 ΔE 0.027
- French Blue #436BAD ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.033
- Nice Blue #107AB0 ΔE 0.035
- Muted Blue #3B719F ΔE 0.046
- Steel Blue #4682B4 ΔE 0.056
- Dull Blue #49759C ΔE 0.057
Use #3072BC 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.