#1F7396
Closest named color: Sea Blue (#047495). oklch(52.3% 0.094 230.9), rgb(31, 115, 150).
Aa
White text reads best on this color (5.31:1).
About this color
#1F7396 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.094 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.009 away. White text reads best on it, at 5.31:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #1F7396 |
| RGB | rgb(31, 115, 150) |
| HSL | hsl(198, 66%, 35%) |
| OKLCH | oklch(52.3% 0.094 230.9) |
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 #1F7396 | 5.31:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #1F7396 | 3.95:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #1F7396 text on white | 5.31:1 | AA | Lc 76.1 | Fine for body text |
| #1F7396 text on black | 3.95:1 | AA large text | Lc -25.6 | 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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A4C7D9
oklch(81% 0.045 230.4)
-
Step 400
400
#70A9C6
oklch(70.6% 0.073 231.3)
-
Step 500
500
#4694B8
oklch(63.2% 0.094 230.7)
-
Step 600
600
#207DA4
oklch(55.5% 0.102 231.4)
-
Step 700
700 (this color)
#1F7396
oklch(52.3% 0.094 230.9)
-
Step 800
800
#135672
oklch(42.7% 0.078 231.4)
-
Step 900
900
#19475C
oklch(37.7% 0.061 231.4)
-
Step 950
950
#102A36
oklch(27.1% 0.039 230.5)
#1F7396 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) | #617198 | 0.063 |
| Deuteranopia (no green cones) | #516695 | 0.054 |
| Tritanopia (no blue cones) | #007D7F | 0.056 |
| Achromatopsia (no color) | #6B6B6B | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F7396
#1F7396
oklch(52.3% 0.094 230.9)
- #955934
#955934
oklch(52.4% 0.094 51.1)
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 #1F7396, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.009
- Ocean Blue #03719C ΔE 0.016
- Muted Blue #3B719F ΔE 0.027
- Ocean #017B92 ΔE 0.027
- Dull Blue #49759C ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.038
- Peacock Blue #016795 ΔE 0.040
- Metallic Blue #4F738E ΔE 0.041
Use #1F7396 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.