#3D4D9F
Closest named color: Blueberry (#464196). oklch(45.2% 0.134 271.8), rgb(61, 77, 159).
Aa
White text reads best on this color (7.60:1).
About this color
#3D4D9F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.134 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.033 away. White text reads best on it, at 7.60:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #3D4D9F |
| RGB | rgb(61, 77, 159) |
| HSL | hsl(230, 45%, 43%) |
| OKLCH | oklch(45.2% 0.134 271.8) |
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 #3D4D9F | 7.60:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #3D4D9F | 2.76:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #3D4D9F text on white | 7.60:1 | AAA | Lc 86.2 | Fine for body text |
| #3D4D9F text on black | 2.76:1 | Fails | Lc -15.9 | 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 800.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AEBEF4
oklch(80.8% 0.079 271.7)
-
Step 400
400
#859BEE
oklch(70.7% 0.124 271.6)
-
Step 500
500
#6880E9
oklch(63.2% 0.159 271.5)
-
Step 600
600
#5266D7
oklch(55.6% 0.174 272)
-
Step 700
700
#4354BA
oklch(49% 0.161 272)
-
Step 800
800 (this color)
#3D4D9F
oklch(45.2% 0.134 271.8)
-
Step 900
900
#2F3B78
oklch(37.6% 0.104 272.1)
-
Step 950
950
#1B2346
oklch(26.9% 0.066 271.6)
#3D4D9F 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) | #2058A2 | 0.037 |
| Deuteranopia (no green cones) | #07509D | 0.042 |
| Tritanopia (no blue cones) | #00606E | 0.116 |
| Achromatopsia (no color) | #545454 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4D9F
#3D4D9F
oklch(45.2% 0.134 271.8)
- #695300
#695300
oklch(45.2% 0.092 91)
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 #3D4D9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.033
- Dusk Blue #26538D ΔE 0.043
- Twilight #4E518B ΔE 0.044
- Cobalt #1E488F ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.059
Use #3D4D9F 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.