#001230
Closest named color: Dark Navy (#000435). oklch(18.8% 0.066 256.8), rgb(0, 18, 48).
Aa
White text reads best on this color (18.59:1).
About this color
#001230 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.066 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.042 away. White text reads best on it, at 18.59:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.12:1 |
| White text | 18.59:1 |
Values
| HEX | #001230 |
| RGB | rgb(0, 18, 48) |
| HSL | hsl(218, 100%, 9%) |
| OKLCH | oklch(18.8% 0.066 256.8) |
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 #001230 | 18.59:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #001230 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #001230 text on white | 18.59:1 | AAA | Lc 104.9 | Preferred for body text |
| #001230 text on black | 1.12:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300
#A0C3F3
oklch(80.9% 0.078 256.4)
-
Step 400
400
#6CA2EE
oklch(70.7% 0.126 257.1)
-
Step 500
500
#4289E8
oklch(63.1% 0.16 256.6)
-
Step 600
600
#1F70D6
oklch(55.5% 0.174 256.8)
-
Step 700
700
#105DBA
oklch(49% 0.163 256.9)
-
Step 800
800
#124D96
oklch(42.7% 0.133 256.6)
-
Step 900
900
#174178
oklch(37.8% 0.105 256.6)
-
Step 950
950 (this color)
#001230
oklch(18.8% 0.066 256.8)
#001230 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) | #011531 | 0.011 |
| Deuteranopia (no green cones) | #00112F | 0.004 |
| Tritanopia (no blue cones) | #00191E | 0.049 |
| Achromatopsia (no color) | #131313 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001230
#001230
oklch(18.8% 0.066 256.8)
- #1D1100
#1D1100
oklch(18.9% 0.039 78.4)
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 #001230, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.043
- Navy Blue #001146 ΔE 0.043
- Rich Navy #001219 ΔE 0.048
- Dark Navy Blue #00022E ΔE 0.052
- Very Dark Blue #000133 ΔE 0.052
- Midnight #03012D ΔE 0.054
- Night Blue #040348 ΔE 0.056
Use #001230 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.