#123647
Closest named color: Midnight Green (#073B4C). oklch(31.5% 0.051 232.1), rgb(18, 54, 71).
Aa
White text reads best on this color (12.77:1).
About this color
#123647 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.051 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.017 away. White text reads best on it, at 12.77:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.64:1 |
| White text | 12.77:1 |
Values
| HEX | #123647 |
| RGB | rgb(18, 54, 71) |
| HSL | hsl(199, 60%, 17%) |
| OKLCH | oklch(31.5% 0.051 232.1) |
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 #123647 | 12.77:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #123647 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #123647 text on white | 12.77:1 | AAA | Lc 98.7 | Preferred for body text |
| #123647 text on black | 1.64:1 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DEEC
oklch(88.6% 0.034 231.2)
-
Step 300
300
#9AC8E1
oklch(80.9% 0.06 232.2)
-
Step 400
400
#5DABD2
oklch(70.7% 0.096 232.1)
-
Step 500
500
#1A95C7
oklch(63.1% 0.123 232.4)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950 (this color)
#123647
oklch(31.5% 0.051 232.1)
#123647 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) | #2E3548 | 0.034 |
| Deuteranopia (no green cones) | #263047 | 0.029 |
| Tritanopia (no blue cones) | #003B3C | 0.032 |
| Achromatopsia (no color) | #323232 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #123647
#123647
oklch(31.5% 0.051 232.1)
- #462A18
#462A18
oklch(31.6% 0.051 52.6)
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 #123647, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.024
- Gunmetal #293241 ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.039
- Onyx #343A40 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.053
- Marine #042E60 ΔE 0.058
Use #123647 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.