#3E61B7
Closest named color: Mid Blue (#276AB3). oklch(51.2% 0.142 265.1), rgb(62, 97, 183).
Aa
White text reads best on this color (5.83:1).
About this color
#3E61B7 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.142 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.030 away. White text reads best on it, at 5.83:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #3E61B7 |
| RGB | rgb(62, 97, 183) |
| HSL | hsl(223, 49%, 48%) |
| OKLCH | oklch(51.2% 0.142 265.1) |
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 #3E61B7 | 5.83:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #3E61B7 | 3.59:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #3E61B7 text on white | 5.83:1 | AA | Lc 78.9 | Fine for body text |
| #3E61B7 text on black | 3.59:1 | AA large text | Lc -22.9 | 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 700.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ABC1EE
oklch(81% 0.068 264.5)
-
Step 400
400
#7F9FE5
oklch(70.7% 0.109 265)
-
Step 500
500
#5F85DE
oklch(63% 0.141 265.2)
-
Step 600
600
#476DCC
oklch(55.6% 0.153 265.3)
-
Step 700
700 (this color)
#3E61B7
oklch(51.2% 0.142 265.1)
-
Step 800
800
#2F4B8F
oklch(42.8% 0.117 265)
-
Step 900
900
#293F72
oklch(37.7% 0.092 264.8)
-
Step 950
950
#182543
oklch(27% 0.059 265)
#3E61B7 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) | #356BBA | 0.027 |
| Deuteranopia (no green cones) | #1D60B5 | 0.028 |
| Tritanopia (no blue cones) | #007583 | 0.118 |
| Achromatopsia (no color) | #656565 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E61B7
#3E61B7
oklch(51.2% 0.142 265.1)
- #826100
#826100
oklch(51.2% 0.105 85.3)
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 #3E61B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.030
- French Blue #436BAD ΔE 0.035
- Iris #6258C4 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.060
- Flat Blue #3C73A8 ΔE 0.060
- Windows Blue #3778BF ΔE 0.062
- Warm Blue #4B57DB ΔE 0.064
Use #3E61B7 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.