#203145
Closest named color: Gunmetal (#293241). oklch(30.8% 0.043 253.1), rgb(32, 49, 69).
Aa
White text reads best on this color (13.23:1).
About this color
#203145 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.043 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.016 away. White text reads best on it, at 13.23:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #203145 |
| RGB | rgb(32, 49, 69) |
| HSL | hsl(212, 37%, 20%) |
| OKLCH | oklch(30.8% 0.043 253.1) |
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 #203145 | 13.23:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #203145 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #203145 text on white | 13.23:1 | AAA | Lc 99.5 | Preferred for body text |
| #203145 text on black | 1.58:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDBEC
oklch(88.6% 0.028 253.2)
-
Step 300
300
#AAC3E1
oklch(80.8% 0.051 253.1)
-
Step 400
400
#7DA4D2
oklch(70.8% 0.08 253)
-
Step 500
500
#5B8CC7
oklch(63% 0.104 253.8)
-
Step 600
600
#3F76B3
oklch(55.7% 0.112 252.6)
-
Step 700
700
#31639A
oklch(49.2% 0.104 252.6)
-
Step 800
800
#2A517D
oklch(42.8% 0.086 252.9)
-
Step 900
900
#264364
oklch(37.6% 0.067 252.8)
-
Step 950
950 (this color)
#203145
oklch(30.8% 0.043 253.1)
#203145 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) | #293246 | 0.014 |
| Deuteranopia (no green cones) | #252E45 | 0.012 |
| Tritanopia (no blue cones) | #103538 | 0.036 |
| Achromatopsia (no color) | #303030 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #203145
#203145
oklch(30.8% 0.043 253.1)
- #3D2C16
#3D2C16
oklch(30.7% 0.043 72.2)
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 #203145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.016
- Space Cadet #2B2D42 ΔE 0.019
- Prussian Blue #1D3557 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.033
- Midnight Green #073B4C ΔE 0.035
- Oxford Blue #1B263B ΔE 0.040
- Onyx #343A40 ΔE 0.047
- Dark #1B2431 ΔE 0.052
Use #203145 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.