#03405E
Closest named color: Midnight Green (#073B4C). oklch(35.3% 0.076 237.9), rgb(3, 64, 94).
Aa
White text reads best on this color (11.05:1).
About this color
#03405E is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.076 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.033 away. White text reads best on it, at 11.05:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.89:1 |
| White text | 11.05:1 |
Values
| HEX | #03405E |
| RGB | rgb(3, 64, 94) |
| HSL | hsl(200, 94%, 19%) |
| OKLCH | oklch(35.3% 0.076 237.9) |
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 #03405E | 11.05:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #03405E | 1.89:1 | Fails | Lc 8.8 | Not readable |
| #03405E text on white | 11.05:1 | AAA | Lc 95.1 | Preferred for body text |
| #03405E text on black | 1.89:1 | Fails | Lc -7.5 | Not readable |
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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DDEC
oklch(88.6% 0.031 237.6)
-
Step 300
300
#9FC7E2
oklch(81% 0.057 237.9)
-
Step 400
400
#67A9D3
oklch(70.7% 0.091 237.9)
-
Step 500
500
#3693C7
oklch(63.2% 0.116 237.4)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900 (this color)
#03405E
oklch(35.3% 0.076 237.9)
-
Step 950
950
#0B2A3B
oklch(27.1% 0.048 236.5)
#03405E 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) | #31405F | 0.041 |
| Deuteranopia (no green cones) | #26385D | 0.034 |
| Tritanopia (no blue cones) | #00484B | 0.049 |
| Achromatopsia (no color) | #3C3C3C | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03405E
#03405E
oklch(35.3% 0.076 237.9)
- #58300A
#58300A
oklch(35.3% 0.076 58.7)
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 #03405E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.036
- Marine Blue #01386A ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.038
- Charcoal #264653 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.049
- Marine #042E60 ΔE 0.058
Use #03405E 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.