#133248
Closest named color: Midnight Green (#073B4C). oklch(30.5% 0.054 242.4), rgb(19, 50, 72).
Aa
White text reads best on this color (13.31:1).
About this color
#133248 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.054 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.029 away. White text reads best on it, at 13.31:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.57:1 |
| White text | 13.31:1 |
Values
| HEX | #133248 |
| RGB | rgb(19, 50, 72) |
| HSL | hsl(205, 58%, 18%) |
| OKLCH | oklch(30.5% 0.054 242.4) |
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 #133248 | 13.31:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #133248 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #133248 text on white | 13.31:1 | AAA | Lc 99.5 | Preferred for body text |
| #133248 text on black | 1.57:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DDEF
oklch(88.6% 0.035 241.5)
-
Step 300
300
#9DC6E7
oklch(80.8% 0.064 242.9)
-
Step 400
400
#64A8DB
oklch(70.7% 0.102 242.5)
-
Step 500
500
#2F91D1
oklch(63% 0.131 242.3)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#08466B
oklch(37.8% 0.085 242.3)
-
Step 950
950 (this color)
#133248
oklch(30.5% 0.054 242.4)
#133248 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) | #283249 | 0.026 |
| Deuteranopia (no green cones) | #212D48 | 0.022 |
| Tritanopia (no blue cones) | #00373A | 0.038 |
| Achromatopsia (no color) | #2F2F2F | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133248
#133248
oklch(30.5% 0.054 242.4)
- #42280F
#42280F
oklch(30.4% 0.054 62.1)
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 #133248, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.029
- Gunmetal #293241 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.035
- Oxford Blue #1B263B ΔE 0.041
- Marine #042E60 ΔE 0.049
- Dark #1B2431 ΔE 0.055
Use #133248 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.