#3E6EA3
Closest named color: Muted Blue (#3B719F). oklch(52.9% 0.099 252.3), rgb(62, 110, 163).
Aa
White text reads best on this color (5.29:1).
About this color
#3E6EA3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.099 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.012 away. White text reads best on it, at 5.29:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #3E6EA3 |
| RGB | rgb(62, 110, 163) |
| HSL | hsl(211, 45%, 44%) |
| OKLCH | oklch(52.9% 0.099 252.3) |
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 #3E6EA3 | 5.29:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #3E6EA3 | 3.96:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #3E6EA3 text on white | 5.29:1 | AA | Lc 76.2 | Fine for body text |
| #3E6EA3 text on black | 3.96:1 | AA large text | Lc -25.6 | 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
#CEDBEA
oklch(88.6% 0.025 251.9)
-
Step 300
300
#ADC3DD
oklch(80.9% 0.044 252.7)
-
Step 400
400
#81A4CC
oklch(70.7% 0.07 252.1)
-
Step 500
500
#608DBF
oklch(63.1% 0.091 251.9)
-
Step 600
600 (this color)
#3E6EA3
oklch(52.9% 0.099 252.3)
-
Step 700
700
#376393
oklch(49.1% 0.092 252)
-
Step 800
800
#2E5178
oklch(42.7% 0.077 252.4)
-
Step 900
900
#294360
oklch(37.6% 0.059 252.1)
-
Step 950
950
#192838
oklch(27.1% 0.036 250.8)
#3E6EA3 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) | #5771A5 | 0.031 |
| Deuteranopia (no green cones) | #4A67A2 | 0.022 |
| Tritanopia (no blue cones) | #007A81 | 0.081 |
| Achromatopsia (no color) | #6B6B6B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E6EA3
#3E6EA3
oklch(52.9% 0.099 252.3)
- #8E611E
#8E611E
oklch(52.9% 0.099 72.6)
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 #3E6EA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.012
- Flat Blue #3C73A8 ΔE 0.015
- French Blue #436BAD ΔE 0.020
- Dull Blue #49759C ΔE 0.029
- Mid Blue #276AB3 ΔE 0.035
- Ocean Blue #03719C ΔE 0.036
- Nice Blue #107AB0 ΔE 0.040
- Cerulean #457B9D ΔE 0.043
Use #3E6EA3 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.