#1D5F7D
Closest named color: Light Navy Blue (#2E5A88). oklch(45.9% 0.081 232.4), rgb(29, 95, 125).
Aa
White text reads best on this color (7.03:1).
About this color
#1D5F7D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.081 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.030 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #1D5F7D |
| RGB | rgb(29, 95, 125) |
| HSL | hsl(199, 62%, 30%) |
| OKLCH | oklch(45.9% 0.081 232.4) |
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 #1D5F7D | 7.03:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #1D5F7D | 2.98:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #1D5F7D text on white | 7.03:1 | AAA | Lc 84.1 | Fine for body text |
| #1D5F7D text on black | 2.98:1 | Fails | Lc -17.9 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C7DA
oklch(81% 0.047 231.1)
-
Step 400
400
#6FA9C8
oklch(70.6% 0.076 232.7)
-
Step 500
500
#4493BA
oklch(63% 0.097 232.7)
-
Step 600
600
#1D7DA6
oklch(55.6% 0.105 232.4)
-
Step 700
700
#0B698E
oklch(49% 0.097 232.4)
-
Step 800
800 (this color)
#1D5F7D
oklch(45.9% 0.081 232.4)
-
Step 900
900
#18475D
oklch(37.7% 0.063 232.2)
-
Step 950
950
#102A37
oklch(27.1% 0.04 232.6)
#1D5F7D 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) | #505E7E | 0.053 |
| Deuteranopia (no green cones) | #43557D | 0.044 |
| Tritanopia (no blue cones) | #006769 | 0.049 |
| Achromatopsia (no color) | #595959 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5F7D
#1D5F7D
oklch(45.9% 0.081 232.4)
- #7B4A2A
#7B4A2A
oklch(45.9% 0.081 52.5)
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 #1D5F7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.034
- Petrol #005F6A ΔE 0.036
- Denim #3B638C ΔE 0.039
- Peacock Blue #016795 ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
Use #1D5F7D 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.