#18698B
Closest named color: Peacock Blue (#016795). oklch(49.1% 0.091 231.7), rgb(24, 105, 139).
Aa
White text reads best on this color (6.11:1).
About this color
#18698B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.091 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.020 away. White text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #18698B |
| RGB | rgb(24, 105, 139) |
| HSL | hsl(198, 71%, 32%) |
| OKLCH | oklch(49.1% 0.091 231.7) |
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 #18698B | 6.11:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #18698B | 3.43:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #18698B text on white | 6.11:1 | AA | Lc 80.2 | Fine for body text |
| #18698B text on black | 3.43:1 | AA large text | Lc -21.7 | 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
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A5C6D8
oklch(80.8% 0.044 231.9)
-
Step 400
400
#73A9C5
oklch(70.7% 0.07 231.6)
-
Step 500
500
#4A93B6
oklch(63.1% 0.09 231.4)
-
Step 600
600
#277DA2
oklch(55.6% 0.098 231.1)
-
Step 700
700 (this color)
#18698B
oklch(49.1% 0.091 231.7)
-
Step 800
800
#185671
oklch(42.8% 0.075 231.5)
-
Step 900
900
#1C475B
oklch(37.7% 0.058 231.3)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#18698B 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) | #58688D | 0.060 |
| Deuteranopia (no green cones) | #495D8A | 0.051 |
| Tritanopia (no blue cones) | #007274 | 0.054 |
| Achromatopsia (no color) | #626262 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18698B
#18698B
oklch(49.1% 0.091 231.7)
- #89502C
#89502C
oklch(49% 0.092 51.4)
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 #18698B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.020
- Denim #3B638C ΔE 0.030
- Ocean Blue #03719C ΔE 0.031
- Sea Blue #047495 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.045
- Muted Blue #3B719F ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.052
Use #18698B 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.