#247197
Closest named color: Ocean Blue (#03719C). oklch(52% 0.094 234.6), rgb(36, 113, 151).
Aa
White text reads best on this color (5.40:1).
About this color
#247197 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.094 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.013 away. White text reads best on it, at 5.40:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #247197 |
| RGB | rgb(36, 113, 151) |
| HSL | hsl(200, 61%, 37%) |
| OKLCH | oklch(52% 0.094 234.6) |
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 #247197 | 5.40:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #247197 | 3.88:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #247197 text on white | 5.40:1 | AA | Lc 76.6 | Fine for body text |
| #247197 text on black | 3.88:1 | AA large text | Lc -25.1 | 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
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DA
oklch(80.9% 0.045 234.7)
-
Step 400
400
#72A8C8
oklch(70.6% 0.074 235.3)
-
Step 500
500
#4A92BA
oklch(63% 0.094 235.3)
-
Step 600
600
#287CA6
oklch(55.6% 0.102 235)
-
Step 700
700 (this color)
#247197
oklch(52% 0.094 234.6)
-
Step 800
800
#185573
oklch(42.6% 0.078 234.7)
-
Step 900
900
#1C475D
oklch(37.8% 0.06 233.9)
-
Step 950
950
#122936
oklch(26.9% 0.038 235.3)
#247197 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) | #5E7099 | 0.058 |
| Deuteranopia (no green cones) | #4F6596 | 0.049 |
| Tritanopia (no blue cones) | #007B7E | 0.059 |
| Achromatopsia (no color) | #6A6A6A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #247197
#247197
oklch(52% 0.094 234.6)
- #925930
#925930
oklch(52% 0.094 54.7)
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 #247197, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.013
- Sea Blue #047495 ΔE 0.015
- Muted Blue #3B719F ΔE 0.023
- Ocean #017B92 ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.035
- Peacock Blue #016795 ΔE 0.035
- Dull Blue #49759C ΔE 0.036
- Metallic Blue #4F738E ΔE 0.041
Use #247197 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.