#1E5992
Closest named color: Dusk Blue (#26538D). oklch(45.6% 0.111 251.1), rgb(30, 89, 146).
Aa
White text reads best on this color (7.24:1).
About this color
#1E5992 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.111 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.018 away. White text reads best on it, at 7.24:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #1E5992 |
| RGB | rgb(30, 89, 146) |
| HSL | hsl(209, 66%, 35%) |
| OKLCH | oklch(45.6% 0.111 251.1) |
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 #1E5992 | 7.24:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #1E5992 | 2.89:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #1E5992 text on white | 7.24:1 | AAA | Lc 84.8 | Fine for body text |
| #1E5992 text on black | 2.89:1 | Fails | Lc -17.2 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A2C4EA
oklch(80.9% 0.065 251.5)
-
Step 400
400
#6EA5DF
oklch(70.7% 0.103 250.7)
-
Step 500
500
#458DD6
oklch(63.1% 0.132 251)
-
Step 600
600
#2176C4
oklch(55.7% 0.144 250.9)
-
Step 700
700
#1262A9
oklch(49% 0.134 251.2)
-
Step 800
800 (this color)
#1E5992
oklch(45.6% 0.111 251.1)
-
Step 900
900
#19436D
oklch(37.6% 0.086 251.2)
-
Step 950
950
#102840
oklch(27.1% 0.054 250.5)
#1E5992 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) | #3E5D94 | 0.034 |
| Deuteranopia (no green cones) | #2C5291 | 0.021 |
| Tritanopia (no blue cones) | #00676E | 0.084 |
| Achromatopsia (no color) | #575757 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E5992
#1E5992
oklch(45.6% 0.111 251.1)
- #794C00
#794C00
oklch(45.7% 0.099 70.8)
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 #1E5992, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.034
- Light Navy #155084 ΔE 0.034
- Peacock Blue #016795 ΔE 0.040
- Denim #3B638C ΔE 0.045
- Dusky Blue #475F94 ΔE 0.047
Use #1E5992 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.